Remove libiconv workaround for Apple platforms on Rust 1.66+

Author: messense

src/zig.rs

@@ -747,6 +747,12 @@ impl Zig {
     ) -> Result<()> {
         for target in &cargo.target {
             if target.contains("apple") {
+                let rustc_ver = rustc_version::version()?;
+                if (rustc_ver.major, rustc_ver.minor) >= (1, 66) {
+                    // Rust 1.66.0+ doesn't pull in libiconv on Apple platforms by default
+                    // See https://github.com/rust-lang/rust/pull/103277/
+                    return Ok(());
+                }
                 let target_dir = if let Some(target_dir) = cargo.target_dir.clone() {
                     target_dir.join(target)
                 } else {
@@ -755,9 +761,10 @@ impl Zig {
                         // cargo install doesn't pass a manifest path so `Cargo.toml` in cwd may not exist
                         continue;
                     }
-                    let mut metadata_cmd = cargo_metadata::MetadataCommand::new();
-                    metadata_cmd.manifest_path(manifest_path);
-                    let metadata = metadata_cmd.exec()?;
+                    let metadata = cargo_metadata::MetadataCommand::new()
+                        .manifest_path(manifest_path)
+                        .no_deps()
+                        .exec()?;
                     metadata.target_directory.into_std_path_buf().join(target)
                 };
                 let profile = match cargo.profile.as_deref() {